Answers

Add 50/80 and 90/12

1^st number: 50/80, 2^nd number: 7 6/12

50/80 + 90/12 is 65/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 12 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   50/80 = 50 × 3/80 × 3 = 150/240
3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
   90/12 = 90 × 20/12 × 20 = 1800/240
4. Add the two like fractions:
   150/240 + 1800/240 = 150 + 1800/240 = 1950/240
5. 1950/240 simplified gives 65/8
6. So, 50/80 + 90/12 = 65/8
   In mixed form: 81/8

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₈₀+⁹⁰/₂₄ ⁵⁰/₈₀+⁹⁰/₃₆ ⁵⁰/₈₀+⁹⁰/₆₀ ⁵⁰/₈₀+⁹⁰/₈₄

Add Fractions Calculator